Shandong University - Clinical Research Center of Shandong University, Shandong First Medical University - Shandong Provincial Hospital, Tianjin Medical University, Tianjin Medical University, Tianjin Medical University, Shandong First Medical University - Shandong Provincial Hospital, Shandong First Medical University - Shandong Provincial Hospital and Shandong First Medical University - Key Laboratory of Engineering of Shandong Province

Fudan University - Department of Gastric Surgery, Fudan University, Fudan University, Shanghai Jiao Tong University (SJTU) - Department of General Surgery, Nanjing Medical University, Shandong First Medical University - Shandong Provincial Hospital, Zhejiang Cancer Hospital, Jilin University (JLU), Harbin Industry University, Shanghai Jiao Tong University (SJTU), Fujian Medical University - Department of Gastric Surgery, Zhejiang University, Southern Medical University - Department of General Surgery, Zhejiang University - Department of General Surgery, Nanchang University - Department of Digestive Surgery and Fudan University - Department of Oncology